The Avalon Catalina - 16 Foot 2007 vs Avalon LS 21 ft. 2010 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
Size is the most obvious dividing line here. The Avalon LS 21 ft. 2010 measures 21,0 feet overall (2010), giving it roughly 5,0 additional feet of deck space compared to the Avalon Catalina - 16 Foot 2007 at 16,0 feet (2007). Weight tells a clearer story for trailering families: the Avalon Catalina - 16 Foot 2007 tips the scales at 1 092 lbs — 1 074 lbs more than the Avalon LS 21 ft. 2010 at 18 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
The power gap is worth calling out. Rated to 115 hp, the Avalon LS 21 ft. 2010 has a 65-hp advantage over the Avalon Catalina - 16 Foot 2007's 50-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Avalon LS 21 ft. 2010 is rated for 10 passengers, while the Avalon Catalina - 16 Foot 2007 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Avalon LS 21 ft. 2010 could be the deciding factor.
Bottom line: Choose the Avalon LS 21 ft. 2010 if your priority is putting more people on the water — it handles 10 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Avalon Catalina - 16 Foot 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.